created a new data model to store locations as string and diseasetypes
commiting the models.py file containing data model
implementation of language translation, storage of corpus, SVM immplementation
adding properties file containing data sources and disease types
adding prediction of NaiveBayes in csv format in addition to storage into database
adding corpora for tweets, bing and google documents
added from_lang - language from which the document is transated - to the models